Investor Presentaiton

160 EXCELLENCE INNOVATION PEOPLE GROWTH STN TSX NYSE Capital allocation strategy has evolved More than $500M Returned to shareholders since 2010 We are driven to achieve 25 -30% Dividend pay out ratio Capital Returned to Shareholders (millions C$) Significant Events 30 60 150 120 ■Share Repurchases ■ Dividends 90 0 10 11 12 13 14 15 16 17 18 19 3-year plan ↑ Dividend initiated Stock option program cancelled TSR adopted as a long-term incentive plan metric Continued focus on disciplined capital allocation: Moderated growth CAGR; commitment to more rigorous pursuit of small & medium sized acquisitions >11% Adjusted EPS CAGR >10% Return on invested capital by 2022

View entire presentation